Lyme disease is caused by a spirochete, Borrelia burgdorferi. A spirochete is a type of bacterium. Lyme disease is transmitted to dogs through the bite of a tick.. Lyme disease is transmitted to dogs through the bite of a tick. Once in the blood stream, the Lyme disease organism is carried to many parts of the body and is likely to localize in joints.
Possible neurological symptoms include: 1  muscle weakness in one area. 2  poor decision-making or concentration. 3  involuntary twitching. 4  trembling. difficulty speaking or swallowing.  seizures.
Encephalopathy describes abnormal brain function due to problems with the brain tissue. Symptoms of encephalopathy can be generalized causing decreased level of consciousness from minimal lethargy to coma. Encephalopathy can cause abnormal thought processes including confusion, poor memory, hallucinations, and even psychotic thinking.